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service/nvflinger,service/vi: Handle failure cases with exposed API

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Converts many of the Find* functions to return a std::optional<T> as
opposed to returning the raw return values directly. This allows
removing a few assertions and handles error cases like the service
itself does.
This commit is contained in:
Lioncash 2019-02-05 16:20:04 -05:00
parent 7320c667df
commit ef073ff117
4 changed files with 133 additions and 47 deletions
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7
src/core/hle/service/am/am.cpp
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@ -322,14 +322,15 @@ void ISelfController::SetScreenShotImageOrientation(Kernel::HLERequestContext& c
void ISelfController::CreateManagedDisplayLayer(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service_AM, "(STUBBED) called");
// TODO(Subv): Find out how AM determines the display to use, for now just
// create the layer in the Default display.
u64 display_id = nvflinger->OpenDisplay("Default");
u64 layer_id = nvflinger->CreateLayer(display_id);
const auto display_id = nvflinger->OpenDisplay("Default");
const auto layer_id = nvflinger->CreateLayer(*display_id);
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(RESULT_SUCCESS);
rb.Push(layer_id);
rb.Push(*layer_id);
}
void ISelfController::SetHandlesRequestToDisplay(Kernel::HLERequestContext& ctx) {